static electricity

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Across
  1. 1. electrical attraction is an example of a ___
  2. 5. like charges ___
  3. 7. the force of ___ is used to charge objects
  4. 9. in magnets south attracts ___
  5. 10. ___ is an example of natural static electricity
  6. 13. ___ means uncharged
  7. 14. a ___ is used to find the sign of electric charge
  8. 15. rubbing an object causes it to become ___
Down
  1. 2. static ___ is generated by rubbing objects
  2. 3. are affected by electrical force
  3. 4. positive repels ___
  4. 6. unlike charges ___
  5. 8. positive attracts ___
  6. 11. ___ follows lightning
  7. 12. in magnets south repels ___